Table 3.
Automatic linear modeling assessing the neuropsychological predictors of semantic fluency.
| Test | R2 | Variables (transformed) | Beta coefficient | SE | t | 95% CI | P | Importance |
|---|---|---|---|---|---|---|---|---|
| Correct answers | 0.546 | Intercept | −16.895 | 3.257 | −5.18 | −23.3, −10.4 | <0.001 | – |
| FCSRT-TFR | 0.273 | 0.058 | 5.45 | 0.17, 0.37 | <0.001 | 0.412 | ||
| BNT | 0.348 | 0.072 | 4.84 | 0.20, 0.49 | <0.001 | 0.324 | ||
| Stroop A | 0.057 | 0.017 | 3.43 | 0.02, 0.09 | 0.001 | 0.164 | ||
| PASAT | 0.077 | 0.037 | 2.08 | 0.004, 0.14 | 0.038 | 0.060 | ||
| Repetitions | 0.117 | ToL-TM | 0.017 | 0.004 | 3.86 | 0.008, 0.026 | <0.001 | 0.467 |
| Stroop B | 0.020 | 0.006 | 3.59 | 0.009, 0.032 | <0.001 | 0.398 | ||
| Intrusions | 0.05 | JLO | 0.008 | 0.003 | 2.52 | 0.002, 0.015 | 0.012 | 0.443 |
| BNT | −0.006 | 0.003 | −2.19 | −0.012, −0.001 | 0.029 | 0.334 | ||
| Clusters | 0.223 | Stroop A | 0.015 | 0.006 | 2.31 | 0.002, 0.02 | 0.022 | 0.286 |
| Corsi (F) | 0.250 | 0.118 | 2.11 | 0.01, 0.48 | 0.036 | 0.239 | ||
| FCSRT-TFR | 0.032 | 0.016 | 2.00 | 0.001, 0.06 | 0.046 | 0.216 | ||
| Switches | 0.199 | Stroop A | 0.030 | 0.010 | 2.94 | 0.01, 0.05 | 0.004 | 0.321 |
| ToL-TM | 0.031 | 0.012 | 2.55 | 0.007,0.055 | 0.011 | 0.235 | ||
| PASAT | 0.061 | 0.024 | 2.52 | 0.01, 0.10 | 0.013 | 0.229 | ||
| Mean clusters | 0.138 | BNT | 0.077 | 0.027 | 2.88 | 0.02, 0.13 | 0.004 | 0.214 |
| FCSRT-DFR | 0.168 | 0.060 | 2.82 | 0.05, 0.28 | 0.005 | 0.204 | ||
| TMT-A | 0.017 | 0.006 | 2.76 | 0.005, 0.02 | 0.006 | 0.195 | ||
| Rey-copy | 0.093 | 0.037 | 2.50 | 0.02, 0.16 | 0.013 | 0.160 | ||
| Corsi (F) | −0.319 | 0.128 | −2.49 | −0.57, −0.06 | 0.014 | 0.159 | ||
| %words in clusters | 0.078 | Intercept | 46.96 | 9.827 | 4.77 | 27.58, 66.34 | <0.001 | – |
| FCSRT-TR | 0.650 | 0.190 | 3.41 | 0.27, 1.02 | 0.001 | 0.436 | ||
| ToL-PST | 0.017 | 0.007 | 2.38 | 0.003, 0.03 | 0.018 | 0.213 | ||
| ToL-TC | 0.879 | 0.370 | 2.37 | 0.15, 1.60 | 0.018 | 0.212 | ||
| Words in clusters | 0.463 | Intercept | −17.034 | 3.636 | −4.68 | −24.20, −9.86 | <0.001 | – |
| FCSRT-TFR | 0.268 | 0.057 | 4.73 | 0.15, 0.37 | <0.001 | 0.349 | ||
| Stroop B | 0.153 | 0.036 | 4.24 | 0.08, 0.22 | <0.001 | 0.280 | ||
| BNT | 0.329 | 0.082 | 4.00 | 0.16, 0.49 | <0.001 | 0.249 |
First column shows criterion variables and the third column shows predictor variables. SE, Standard Error; FCSRT-TFR, Free and Cued Selective Reminding Test (FCSRT)–total free recall; BNT, Boston Naming Test; ToL-TM, Tower of London (ToL)–total moves; JLO, judgment line orientation; Corsi (F), Corsi's test forward; FCSRT-DFR, FCSRT–delayed free recall; TMT-A, Trail Making Test part A; Rey-Copy, Rey-Osterrieth Complex Figure–accuracy on copy; FCSRT-TC, FCSRT–total recall; ToL-PST, ToL–problem-solving time; ToL-TC, ToL–total correct moves.